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Aero-Structural Interaction, Analysis, and Shape Sensitivity (1999)

Author: Newman, James C., II
Subject: TELECONNECTIONS (METEOROLOGY); METEOROLOGY; MONSOONS; SUMMER; DROUGHT; FLOODS; ASIA; NORTH AMERICA; UNITED STATES
Year: 1999
Language: English
Book contributor: NASA
Collection: nasa_techdocs

Description

A multidisciplinary sensitivity analysis technique that has been shown to be independent of step-size selection is examined further. The accuracy of this step-size independent technique, which uses complex variables for determining sensitivity derivatives, has been previously established. The primary focus of this work is to validate the aero-structural analysis procedure currently being used. This validation consists of comparing computed and experimental data obtained for an Aeroelastic Research Wing (ARW-2). Since the aero-structural analysis procedure has the complex variable modifications already included into the software, sensitivity derivatives can automatically be computed. Other than for design purposes, sensitivity derivatives can be used for predicting the solution at nearby conditions. The use of sensitivity derivatives for predicting the aero-structural characteristics of this configuration is demonstrated.

Creative Commons license: Public Domain

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Identifier:	nasa_techdoc_20000064715
Document-source:	CASI
Documentid:	20000064715
Nasa-center:	Langley Research Center; Marshall Space Flight Center
Online-source:	http://wayback.archive-it.org/1792/20100131012052/http://hdl.handle.net/2060/20000064715
Original-nasa-rights:	Unclassified; No Copyright; Unlimited; Publicly available;
Updated-added-to-ntrs:	2009-05-20
Licenseurl:	http://creativecommons.org/licenses/publicdomain/
Mediatype:	texts
Rights:	Public Domain
Identifier-access:	http://www.archive.org/details/nasa_techdoc_20000064715
Identifier-ark:	ark:/13960/t1tf0pf60
Ppi:	300
Ocr:	ABBYY FineReader 8.0